Pre-treatment for painting aluminum (aluminum die casting) and zinc die casting, which are difficult for paint to adhere to.
When high quality and adhesion are required for the painting of aluminum (die-cast) and zinc die-cast products, we adopt "chromate treatment," which is a pre-treatment for painting aluminum (zinc). By applying "chromate treatment" to aluminum materials and zinc die-cast products, which are considered difficult for paint to adhere to, we can impart "high adhesion" and "high corrosion resistance." These non-ferrous metal materials often encounter adhesion issues during painting. It is necessary to align the required quality and painting specifications during the design phase of the painting process.
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basic information
Hexavalent chromium treatment... Among chromium treatments, it has the best adhesion and corrosion resistance. Due to its high toxicity, it cannot be used for export purposes currently. However, it is still used in domestic construction products. Trivalent chromium treatment... It is adopted as an alternative to hexavalent chromium treatment. Although its performance is inferior to hexavalent chromium, it has become the mainstream for aluminum pretreatment due to the balance of environmental performance and the performance of the treatment film. Non-chromium treatment... It is increasingly being adopted as an alternative to chromium. In the case of hexavalent chromium, it is commonly referred to by product names such as Alodine treatment, and in the case of trivalent chromium, it is referred to as Parkoat treatment. We also accommodate requests for chromium acid treatment alone.
Price information
Prices may vary depending on quantity, size, etc., so please feel free to contact us.
Delivery Time
※It may vary depending on quantity, size, etc., so please feel free to contact us.
Applications/Examples of results
Aluminum die-cast products for vehicles Zinc die-cast products for vehicles Construction material products Others
Company information
The company was founded in 1958, which is about half a century ago. Since then, we have been at the forefront of advancing the mechanization of the painting process, leading to the establishment of our current three painting lines. Additionally, through our experience in handling products from various industries over the past 50 years, we have increased the range of variations that can be painted. In such an environment, we have always made it a point to turn what seems impossible into possible. Furthermore, we consider various processing techniques, such as plating and other surface treatments, to propose the optimal surface treatment, including painting.